Complete MTB gear cable set with all you need in one handy pack. Fitting new gears or completely overhauling your gear cabling couldn't be easier - everything you need in one pack. Includes 1.2 mm inner wires 1 x 2100 mm 1 x 1800 mm and black 4 mm SP41 outer casing for a complete bike 1 x 3000 mm and sealed outer caps one with added tongue for rubber shield plus inner end caps Stainless steel precision ground round inner wire leaves a smooth surface for low friction while providing high corrosion resistance Outer casing is lubricated internally along its length with low-friction silicone grease to reduce cable friction Special construction process makes for an axially stiff outer casing that transmits shifting movements accurately and quickly Outer casing is lined with a polymer sheath to assist with the smooth operation of the inner wire